There are 2 owner-reported fuel system complaints for the 2009 Acura TSXin NHTSA's database. These are unverified consumer reports and may not reflect confirmed defects.
FAST BURNING OF OIL.
ENGINE PINGING/KNOCKING NOISE. TRIED THE HIGHEST OCTANE GASOLINE FROM VARIOUS GAS STATIONS BETWEEN 8/2008 TO CURRENT (4/1/09). CURRENTLY VEHICLE AT DEALERSHIP FOR SECOND EVALUATION. DEALERSHIP IS GOING TO DRAIN THE FUEL TANK AND FILL WITH PREMIUM GASOLINE AND DRIVE THE VEHICLE FOR 50 TO DETERMINE IF THIS IS A FUEL PROBLEM. *TR
Complaints are unverified consumer reports submitted to NHTSA. A high complaint count may reflect vehicle popularity, not defect severity. Data sourced from NHTSA public records.
Data synced from NHTSA on Apr 25, 2026